// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init({
    env:'ttttt-9geaa'
})

// 云函数入口函数
exports.main = async (event, context) => {
    const wxContext = cloud.getWXContext()
    const db=cloud.database()
    const studentCollection=db.collection('student')
    let choosen=event.user.choosen
    let _id=event.user._id
    let res=await studentCollection.where({
        _id
    }).update({
        data:{
            choosen
        }
    })

    return {
        res
    }
}